Thermal processes — Paper 2 · IGCSE Physical Science 0652

29 The diagram shows four identical copper blocks. The blocks have been painted so that their surfaces are different. All four blocks are heated to the same temperature, in the same room. Which block cools the most slowly? A B C D white and shiny black and shiny white and dull black and dull surface surface surface surface

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2017

29 The diagram shows four identical copper blocks. The blocks have been painted so that their surfaces are different. All four blocks are heated to the same temperature, in the same room. Which block cools the most slowly? A B C D white and shiny black and shiny white and dull black and dull surface surface surface surface

1 marks

Answer: A

This question in 0652/22 Oct/Nov 2017

28 The diagram shows a heater in a box that contains air. A thermometer is fixed in the box. The thermometer bulb is in the position shown. thermometer box bulb air thermometer heater Which row shows how thermal energy from the heater reaches the thermometer bulb? conduction convection radiation v v x 0 0O WwW D> v x v x v v x x v

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2018

28 The diagram shows a heater in a box that contains air. A thermometer is fixed in the box. The thermometer bulb is in the position shown. thermometer box bulb air thermometer heater Which row shows how thermal energy from the heater reaches the thermometer bulb? conduction convection radiation v v x 0 0O WwW D> v Xx v x v v x x v

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2018

28 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2019

28 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2019

29 The diagram shows an insulated tank of water fitted with an electric heater that has a metal case. The water is cold. The heater is not switched on. water tank insulation heater with metal case The heater is now switched on. What are the main methods of transfer of thermal energy through the metal case of the heater, and throughout the water in the tank? through the metal throughout the case of the heater water in the tank A conduction conduction B conduction convection C convection conduction D convection convection

1 marks

Answer: B

This question in 0652/22 Oct/Nov 2020

28 Four copper plates of the same size and shape are placed in bright sunshine. The plates have different surfaces and different colours. Which plate absorbs radiation from the Sun at the lowest rate? A dull, black surface B dull, white surface C shiny, black surface D shiny, white surface

1 marks

Answer: D

This question in 0652/21 Oct/Nov 2021

29 How is heat transferred through a vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2023

29 How is heat transferred through a vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2023

28 A laboratory is built on the Moon. There is no air on the Moon. Which diagram shows how energy is lost as heat from the laboratory? A B convection current upwards radiation but no but no radiation convection current ground laboratory laboratory conduction conduction C D convection current upwards and radiation convection current sideways but no radiation ground laboratory laboratory conduction conduction

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2024